package Demo01;

import java.util.Locale;

public class CharSequence04 {
    public static void main(String[] args) throws  Exception {
        String str = "沐言科技：www.yootk.com";
        StringBuffer buffer = new StringBuffer(str);
        System.out.println("【Stringbuffer】" + buffer);
        String message = buffer.toString();
        System.out.println("【String】" + message.toUpperCase());

    }
}
